Q.1.
on Q292) Specific proteins synthesised in ribosomes and help in folding and transport of proteins into organelles:
-
0%
a) Extensin.
-
20%
b) Expansin.
-
40%
c) Chaperons.
-
40%
d) Idiosomes.
Q.2.
on Q293) From the following statements given below, how many are correctly matched: (i) Ribosomes - Composed of rRNA and proteins - Site of protein synthesis. (ii) Endoplasmic reticulum - Network of tiny tubular structure scattered in the cytoplasm - Site for synthesis of carbohydrates. (iii) Kinetochores - Disc shaped structure present on secondary constriction of chromosome - Site for attachment of spindle fibres. (iv) Microbodies - Membrane bound minute vesicles - Present only in plant cell.
-
0%
a) One.
-
0%
b) Two.
-
100%
c) Three.
-
0%
d) Four.
Q.3.
on Q294) A non-membrane bound organelle found exclusively in animal cells is:
-
100%
d) Centrioles.
-
0%
a) Sphaerosomes.
-
0%
b) Glyoxysome.
-
0%
c) Peroxisomes.
Q.4.
on Q295) What is the major function of cell membranes in a eukaryotic cell?
-
50%
a) Cellular differentiation.
-
50%
b) Compartmentalisation of cell.
-
0%
c) Against physical injury.
-
0%
d) Maintenance of Nucleoplasm.
Q.5.
on Q296) A feature unique to prokaryotes would be:
-
0%
a) A cell wall not made up of cellulose.
-
50%
b) An extra chromosomal plasmid DNA
-
0%
c) A cell membrane of peptidoglycan.
-
50%
d) Presence of inclusions.
Q.6.
on Q297) Which one of the following is not a constituent of cell membrane?
-
0%
a) Cholesterol.
-
0%
b) Glycolipids.
-
100%
c) Proline.
-
0%
d) Phospholipids.
Q.7.
on Q298) Which of the following statement is not true?
-
0%
a) Plasma membrane is selectively permeable.
-
100%
b) Polar molecules cannot pass through the polar lipid bilayer.
-
0%
c) Neutral molecules pass the membranes through diffusion.
-
0%
d) Active transport is exhibited with the expenditure of ATP.
Q.8.
on Q299) The association of more than one ribosome with a single molecule of m-RNA complex is called as...
-
0%
a) Polypeptide
-
100%
b) Polysome
-
0%
c) Polymer
-
0%
d) Poly Saccharide
Q.9.
on Q300) Chromosome in which centromere is located at the end is....
-
0%
a) Acrocentric
-
100%
b) Telo centric
-
0%
c) Meta centric
-
0%
d) Sub-meta centric
Q.10.
on Q301) Which organelles are found only in animal cell?
-
100%
a) Centriole
-
0%
b) Mitochondria
-
0%
c) Golgi apparatus
-
0%
d) Chloroplast
Q.11.
on Q302) which plastid is not included as a chromoplast?
-
0%
a) Chloroplast
-
50%
b) Carotene
-
0%
c) Xanthophyllous
-
50%
d) Anthocyanin
Q.12.
on Q303) The number of mitochondria per cell depends upon the...
-
50%
a) Physiological activity of the cell
-
0%
b) Types of cell
-
50%
c) Shape of cell
-
0%
d) Size of cell
Q.13.
on Q304) (A)Mitochondria is known as power house of cell. (R)ATP is known as energy currency of the cell
-
67%
a) Assertion (A) and Reason (R) both are true and reason (B) is correct explanation of the assertion A.
-
0%
b) Assertion (A) and Reason (R) both are true but reason B is not a correct explanation of the assertion (A)
-
0%
c) Assertion (A) is true but Reason (B) is false.
-
33%
d) Assertion (A) is false but Reason B is true.
Q.14.
on Q305) (A) Some Bacteria are gram-negative. (R) Firmicute can be stained by Gram stain.
-
0%
a) Assertion (A) and Reason (R) both are true and reason (B) is correct explanation of the assertion A.
-
100%
b) Assertion (A) and Reason (R) both are true but reason B is not a correct explanation of the assertion (A)
-
0%
c) Assertion (A) is true but Reason (B) is false.
-
0%
d) Assertion (A) is false but Reason B is true.
Q.15.
on Q306) Identify the accurate explanation of mesosome.
-
100%
a) A specialised structure of prokaryotic cell formed by extension of plasma membrane into the cytoplasm.
-
0%
b) The middle layer of the prokaryotic cell wall.
-
0%
c) The organelle of eukaryotic cell which helps in lipid synthesis.
-
0%
d) The middle layer of eukaryotic cell wall.
Q.16.
on Q307) In which method of transport, plasma membrane does not require carrier molecule?
-
0%
a) Active transport.
-
0%
b) Facilitated diffusion.
-
0%
c) Simple diffusion.
-
0%
d) Na+ K+ pump.
Q.17.
on Q308) Which of the following option correctly match A, B, C, and D indicated in the given sectional view of chloroplasts.
-
0%
a) A - Thylakoid, B-Stromal lamella, C - Stroma, D - Granum
-
50%
b) A - Granum, B - Thylakoid, C - Stromal lamella, D - Stroma
-
50%
c) A - Thylakoid, B - Granum, C - Stromal lamella, D - Stroma
-
0%
d) A - Granum, B - Thylakoid, C - Stroma, D - Stromal lamella.
Q.18.
on Q309) Nucleolus is:
-
0%
a) Rounded structure found in cytoplasm near nucleus.
-
0%
b) Rounded structure inside nucleus and having r-RNA.
-
0%
c) Rod-shaped structure in cytoplasm near the nucleus.
-
0%
d) None of the above.
Q.19.
on Q310) Amphipathic molecule in cell plasma membrane:
-
0%
a) Glycerophospholipid.
-
0%
b) Cholesterol.
-
0%
c) Spectrin.
-
0%
d) Tunnel protein.
Q.20.
on Q312) Assertion: Mitochondria and chloroplasts have their own genome. Reason: Endoplasmic reticulum and golgi bodies are the cell organelles which have their own DNA.
-
0%
a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
-
0%
b) Both Assertion and Reason are true but Reason is NOT the correct explanation of Assertion.
-
100%
c) Assertion is true but Reason is false.
-
0%
d) Both Assertion and Reason are false.
Q.21.
on Q313) 9 + 0 arrangement is seen in:
-
100%
a) Eukaryotic basal body and centrioles.
-
0%
b) Prokaryotic basal body and flagella.
-
0%
c) Eukaryotic basal body and centrioles.
-
0%
d) In both eukaryotic and prokaryotic basal body.
Q.22.
on Q314) Which among the following bacterium appears violet after Gram Staining?
-
0%
a) Salmonella.
-
0%
b) Haemophilia.
-
100%
c) Clostridium.
-
0%
d) E coli.
Q.23.
on Q315) Identify the phenolic compound in plant cell wall: (i) Pectin. (ii) Cutin. (iii) Suberin. (iv) Galactans. (v) Mannans. (vi) Lignin's.
-
100%
a) (iv), (v) and (vi) only.
-
0%
b) (ii), (iii) and (iv) only.
-
0%
c) All except (i).
-
0%
d) Only (vi).
Q.24.
on Q316) Assertion: Growth of cell wall occurs by intussusceptions and apposition. Reason: Primary wall is stretched and materials of secondary wall are deposited in the form of thin layers.
-
50%
a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
-
0%
b) Both Assertion and Reason are true but Reason is NOT the correct explanation of Assertion.
-
0%
c) Assertion is true but Reason is false.
-
50%
d) Both Assertion and Reason are false.
Q.25.
on Q317) Write the correct statement regarding Golgi complex? (i) Also known as Dalton's complexes. (ii) Absent in the sperm cells of bryophytes. (iii) It is surrounded by zone of cytoplasm called zone of exclusion. (iv) Marker enzyme is Thiamine phosphatise.
-
100%
a) All of them are true.
-
0%
b) All except (ii) are true.
-
0%
c) Only (iii) and (iv) are true.
-
0%
d) Only (i) and (ii) are true.
Q.26.
on Q318) Find the mismatched combination regarding ribosome subunits:
-
100%
a) 60S - 40 proteins - 28S, 5.8S and 5S rRNA.
-
0%
b) 40S - 33 proteins - 18S rRNA.
-
0%
c) 50S - 34 proteins - 23S and 5S rRNA.
-
0%
d) 30S - 21 proteins - 16S rRNA.
Q.27.
on Q319) Find the mis-matching pair: (i) Trophoplasm - Agranular part. (ii) Hyaloplasm - Granular part. (iii) Glycocalyx - Homopolysaccharide. (iv) Hopanoids - Sterol. (v) Cyclosis - Microtubules.
-
0%
a) All of these.
-
0%
b) (iv) only.
-
0%
c) (i) and (ii) only.
-
100%
d) All except (iv).
Q.28.
on Q320) Which of the following is correct about cell?
-
0%
a) Cell of all living organism have defined nucleus.
-
0%
b) Both animal and plant cells have a well defined cell wall.
-
100%
c) In prokaryotes there are no membrane bound organelles.
-
0%
d) Cells are formed de novo from abiotic materials.
Q.29.
on Q321) Who concluded, based on his studies on plant tissues, that the presence of cell wall is a unique character of plant cells?
-
0%
a) Matthias Schleiden.
-
100%
b) Theodore Schwann.
-
0%
c) Rudolph Virchow.
-
0%
d) Robert Hooke.
Q.30.
on Q322) Which of the following statements regarding cilia is not correct?
-
100%
a) The organized beating of cilia is controlled by fluxes of Ca2+ across the membrane.
-
0%
b) Cilia are hair-like cellular appendages.
-
0%
c) Microtubules of cilia are composed of tubulin.
-
0%
d) Cilia contain an outer, ring of nine doublet microtubules surrounding two single microtubules.
Q.31.
on Q323) Which of the following vacuole is present in photosynthetic bacteria?
-
0%
a) Food vacuole.
-
0%
b) Gas vacuole.
-
0%
c) Contractile vacuole.
-
0%
d) Sap vacuole.
Q.32.
on Q324) Prokaryotic cells have which architectural regions?
-
0%
a) Cell
-
0%
b) Appendages
-
0%
c) Nucleus
-
0%
d) All of the above
Q.33.
on Q325) The cells involved in large amount of lipid synthesis, do not possess this organelle on Endoplasmic reticulum.
-
0%
a) Mitochondrion
-
0%
b) Ribosomes
-
0%
c) Golgi apparatus
-
0%
d) lysosome
Q.34.
on Q326) Which is the example of unicellular organism?
-
0%
a) Chlamydomonas
-
0%
b) Spirogyra
-
0%
c) Mushroom
-
0%
d) Chiton
Q.35.
on Q327) Various colours in flower fruit and seeds are due to presence of which pigment?
-
0%
a) Anthocyanin
-
0%
b) Chlorophyll
-
0%
c) Chloroplast
-
0%
d) All the above
Q.36.
on Q328) Which organelle is associated in the formation of basal granules, cilia and flagella?
-
0%
a) Centrosome
-
0%
b) Golgi apparatus
-
0%
c) Mitochondria
-
0%
d) Lysosome
Q.37.
on Q329) Concept of unit membrane was given by:
-
0%
a) Danielli and Davison.
-
0%
b) Singer and Davison.
-
0%
c) Bovet.
-
0%
d) Robertson.
Q.38.
on Q330) Secretory vesicles are formed which side of golgi bodies?
-
0%
a) Trans form.
-
0%
b) Cis form.
-
0%
c) Forming face.
-
0%
d) Convex side.
Q.39.
on Q331) Cell recognition and adhesion is facilitated by certain components of cell membrane. These components are generally:
-
0%
a) Proteins and lipids.
-
0%
b) Glycoproteins and glycolipids.
-
0%
c) Lipids only.
-
0%
d) Proteins only.
Q.40.
on Q332) Singer and Nicolson proposed the Fluid mosaic model of cell membrane in:
-
0%
a) 1970.
-
0%
b) 1972.
-
0%
c) 1975.
-
0%
d) 1978.
Q.41.
on Q333) In germinating seeds fatty acids are degraded exclusively in the:
-
0%
a) Peroxisomes.
-
0%
b) Mitochondria.
-
0%
c) Proplastids.
-
0%
d) Glyoxysomes.
Q.42.
on Q334) Assertion: Plastids are single membraned organelles. Reason: Plastids are possessed by the whole eukaryotic cell.
-
0%
a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
-
0%
b) Both Assertion and Reason are true but Reason is NOT the correct explanation of Assertion.
-
0%
c) Assertion is true but Reason is false.
-
100%
d) Both Assertion and Reason are false.
Q.43.
on Q335) Read the following statements: (i) The shape of cell may vary with the function they perform. (ii) Nerve cells are some of the longest cells. (iii) The largest isolated single cell is the egg of ostrich. (iv) Blue green algae is a eukaryote. (v) Prokaryotic cells are generally smaller and multiply slowly than eukaryotic cells. How many of the above statements are incorrect?
-
0%
a) Two.
-
0%
b) Four.
-
100%
c) Three.
-
0%
d) Five.
Q.44.
on Q336) Which is true of active transport and passive transport?
-
0%
a) Active transport is less rapid.
-
0%
b) Active transport requires energy whereas passive transport follows concentration gradient.
-
0%
c) Active transport is connected to cations whereas passive transport is related to anions.
-
0%
d) Active transport is random whereas passive transport is selective.
Q.45.
on Q337) Plastids used in storing proteins are called as:
-
0%
a) Amyloplasts.
-
0%
b) Aleuroplasts.
-
0%
c) Elaioplasts.
-
0%
d) Chromoplasts.
Q.46.
on Q338) Select the wrong statement.
-
0%
a) Bacterial cell wall is made up of peptidoglycan.
-
0%
b) Pili and fimbriae are mainly involved in motility of bacterial cells.
-
0%
c) Cyanobacteria lack flagellated cells.
-
0%
d) Mycoplasma is a wall-less microorganism.
Q.47.
on Q339 Primary cell wall consists of a loose network of cellulose microfibrils impregnated with a matrix of:
-
0%
a) Glycoprotein and flavoproteins.
-
0%
b) Hemicellulose and flavoproteins.
-
0%
c) Hemicellulose and pectin.
-
0%
d) Flavoproteins and pectin.
Q.48.
on Q340) Which is biggest animal cell?
-
0%
a) Ostrich's egg
-
0%
b) Hen's egg
-
0%
c) PPLO
-
0%
d) Mycoplasma
Q.49.
on Q341) How much diameter of ribosome in prokaryotic cell?
-
0%
a) 20 nm
-
0%
b) 40 nm
-
0%
c) 10 nm
-
0%
d) 15 nm
Q.50.
on Q342) Assertion: The ribosomes of the chloroplast are smaller than the Cytoplasmic ribosomes. Reason: The two members of mitochondria have their own specific enzyme associated with the mitochondrial function.
-
0%
a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion.
-
100%
b) Both Assertion and Reason are true but Reason is NOT the correct explanation of Assertion.
-
0%
c) Assertion is true but Reason is false.
-
0%
d) Both Assertion and Reason are false.